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Test Code CA125 Cancer Antigen 125

Important Note

The testing method is an electrochemiluminescence assay manufactured by Roche Diagnostics Inc. and performed on the Cobas system. Values obtained with different assay methods or kits may be different and cannot be used interchangeably.

Additional Codes

EPIC: LAB155

Performing Laboratory

Pathology Laboratory

Clinical Testing | Pathology Laboratory

Test Method

Electrochemiluminescence

Performance

Sun-Sat

Analytical Time: 

Same day

Specimen Requirement

Container/Tube Type: 

Green No Gel (Lithium Heparin)
Light Green (Lithium Heparin Plasma Separator Tube)
Red (No Additive)
SST (Serum Separator)

 

Preferred Collection Container: 

Green No Gel (Lithium Heparin)
Light Green (Lithium Heparin Plasma Separator Tube)

 

Also Acceptable Collection Container: 

Plasma from Lavender tubes is acceptable but will not route in the Laboratory Information System (Sunquest).

 

Transport Information: 

1 mL serum, frozen.

 

Minimum Sample Volume: 

0.5 mL

 

Remarks: 

Separate serum from cells ASAP. Avoid repeated freeze/thaw cycles. CA 125 II assay testing is not recommended as a screening procedure to diagnose cancer in the general population.

Specimen Stability

Refrigerated Stability: 

7 days

 

Frozen Stability: 

6 months

CPT Code Information

86304

Alias

CA125 (Cancer Antigen 125), Cancer Antigen 125, Carbohydrate Antigen 125, OV Monitor, Ovarian Cancer-Related Antibodies, Cancer Ag 125 (CA 125), Serum